Worms, kept in a bin of biodegradable bedding, feed on food waste and release castings that are nutrient-rich. Over a period of months, the castings combine with decomposed bedding and become ...

Tasting and spitting out toxic food is a survival trait shared by many complex organisms. Now MIT researchers have shown that a simple roundworm, Caenorhabditis elegans, has the ability to spit out ...

The C. elegans roundworm sees by eating, sucking in big gulps of bacteria to learn about its surrounding environment. As researchers watched, they noticed an odd pattern marked by “bursts” of eating.

Deep-sea researchers have discovered an oddball worm that uses a previously unknown type of symbiosis to feed on whale skeletons—even though the worms have no mouth or gut. “We know of no other animal ...